﻿// Copyright 2004-2009 Castle Project - http://www.castleproject.org/
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#region 导入名称空间

using System.Threading;

#endregion

namespace LightWork.DynamicProxy.Internal
{
    internal class SlimReadLockHolder : ILockHolder
    {
        private readonly ReaderWriterLockSlim locker;

        public SlimReadLockHolder(ReaderWriterLockSlim locker, bool waitForLock)
        {
            this.locker = locker;
            if (waitForLock)
            {
                locker.EnterReadLock();
                LockAcquired = true;
                return;
            }
            LockAcquired = locker.TryEnterReadLock(0);
        }

        public void Dispose()
        {
            if (!LockAcquired) return;
            locker.ExitReadLock();
            LockAcquired = false;
        }

        public bool LockAcquired { get; private set; }
    }
}